/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraSceneProxy.h
[TUniformBuffer](API\Runtime\Engine\TUniformBuffer)< [FPrimitiveUniformShaderParameters](API\Runtime\Engine\FPrimitiveUniformShaderParameter-) > * GetCustomUniformBufferResource ( bool bHasVelocity, const FBox & InstanceBounds ) const